柑桔树为亚热带常绿果树之一,性喜温暖而比较湿润的气候。柑桔的种类甚多,其中主要种类甜橙比较怕冻,在本省宜昌南津关以上如秭归、巴东、兴山等县及恩施地区各县海拔较低的河谷地区都适于栽培;其它如温州蜜柑、本地早、乳桔等耐寒力较强的树种,在南津关以下如宜昌、宜都、长阳、 Citrus trees are one of the subtropical evergreen fruit trees, warm and humid nature of the climate. There are many types of oranges, of which the main types of oranges are more afraid of freezing, and are suitable for cultivation in the lower elevations of the lower reaches of counties such as Zigui, Badong, Xingshan and Enshi in the province of Yichang; others, such as Wenzhou Satsuma, local early, milk orange and other cold-resistant tree species, such as in the following Nanjin Yichang, Yidu, Changyang,